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Added STBI_MSC_SECURE_CRT to support newer MSVC compilers as optional 

For issue #533
This commit is contained in:
John Tullos 2018-01-01 18:54:26 -06:00
parent 5e844ffe70
commit 32a7d5ab68
1 changed files with 8 additions and 3 deletions
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11
stb_image_write.h
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@ -10,6 +10,11 @@
Will probably not work correctly with strict-aliasing optimizations.
If using a modern Microsoft Compiler non-safe versions of CRT calls may cause
compilation warnings or even errors. To avoid this, aldo before #including,
#define STBI_MSC_SECURE_CRT
ABOUT:
This header file is a library for writing images to C stdio. It could be
@ -231,7 +236,7 @@ static void stbi__stdio_write(void *context, void *data, int size)
static int stbi__start_write_file(stbi__write_context *s, const char *filename)
{
FILE *f;
#ifdef _MSC_VER
#ifdef STBI_MSC_SECURE_CRT
fopen_s(&f, filename, "wb");
#else
f = fopen(filename, "wb");
@ -631,7 +636,7 @@ static int stbi_write_hdr_core(stbi__write_context *s, int x, int y, int comp, f
char header[] = "#?RADIANCE\n# Written by stb_image_write.h\nFORMAT=32-bit_rle_rgbe\n";
s->func(s->context, header, sizeof(header)-1);
#ifdef _MSC_VER
#ifdef STBI_MSC_SECURE_CRT
len = sprintf_s(buffer, "EXPOSURE= 1.0000000000000\n\n-Y %d +X %d\n", y, x);
#else
len = sprintf(buffer, "EXPOSURE= 1.0000000000000\n\n-Y %d +X %d\n", y, x);
@ -1019,7 +1024,7 @@ STBIWDEF int stbi_write_png(char const *filename, int x, int y, int comp, const
int len;
unsigned char *png = stbi_write_png_to_mem((unsigned char *) data, stride_bytes, x, y, comp, &len);
if (png == NULL) return 0;
#ifdef _MSC_VER
#ifdef STBI_MSC_SECURE_CRT
fopen_s(&f, filename, "wb");
#else
f = fopen(filename, "wb");